madame

n. a polite title used for a French-speaking woman, similar to 'Mrs.' in English.

n. a title of respect used for a French-speaking woman, equivalent to 'Mrs.' or 'Ms.'; it is often abbreviated as 'Mme'.

“Madame Dupont will be your French teacher for the next semester.”

“The ambassador was introduced as Madame Lefebvre, a distinguished diplomat with years of experience in international relations.”

Formal

n. a woman who is in charge of a house where people pay for sex.

n. a woman who manages a brothel or a group of sex workers.

“In the old movie, the madame greeted the guests at the door.”

“The police investigation focused on the madame who had been running the illegal establishment for over a decade.”

Informal